R4RIN – MCQs, Mock Tests | NCERT Class 11 MCQ Questions for Class 11 Geography sets 3

The shelf typically ends at a very steep slope, called ________

1. Halcoline
2. Seamount
3. Oceanic Shelf
4. Shelf Break

✅ Correct Answer: 4

The Coral reefs are a major characteristic of:

1. the Indian Ocean
2. the Pacific Ocean
3. the Atlantic Ocean
4. the Mediterranean Sea

✅ Correct Answer: 2

______ a mountain with pointed summits, rising from the seafloor that does not reach the surface of the ocean

1. Halcoline
2. Seamount
3. Oceanic Shelf
4. None of the above

✅ Correct Answer: 2

A mid-ocean ridge is an underwater mountain system formed by

1. plate tectonics
2. earthquake
3. ocean currents
4. submarine landslides

✅ Correct Answer: 1

Along the coasts, salinity is:

1. Lowered
2. Increased
3. Stable
4. Unaffected

✅ Correct Answer: 1

The geographers have divided the oceanic part of the earth into ______ oceans.

1. 2
2. 3
3. 4
4. 5

✅ Correct Answer: 4

Which one of the following is the smallest ocean:

1. the Indian Ocean
2. the Arctic Ocean
3. the Atlantic Ocean
4. the Pacific Ocean

✅ Correct Answer: 2

Salinity refers to the total amount of

1. sediments in the water
2. impurities present in the water
3. the salt present in the water
4. heat present in the water

✅ Correct Answer: 3

Which one of the following is not a minor relief feature in the oceans:

1. Seamount
2. Atoll
3. Oceanic Deep
4. Guyot

✅ Correct Answer: 3

________ is the extended margin of each continent occupied by relatively shallow seas and gulfs.

1. Oceanic Shelf
2. Continental shelf
3. Salocline
4. Hydra Shelf

✅ Correct Answer: 2

The continental slope connects the continental shelf and _______

1. the continental shelf
2. the halocline
3. the ocean basins
4. None of the above

✅ Correct Answer: 3

A major portion of sea level is found at:

1. 10-12 kms below sea level
2. 6-9 kms below sea level
3. 3-6 kms below sea level
4. 1-2 kms below sea level

✅ Correct Answer: 3

Seaward movement of water is known as:

1. Undertow
2. Ebb
3. Current
4. Flood

✅ Correct Answer: 1

The most common tidal pattern, featuring two high tides and two low tides each day is called

1. Neap tide
2. Mixed tide
3. semi-diurnal tide
4. Diurnal tide

✅ Correct Answer: 3

Huge masses of floating ice are known as:

1. Current
2. Ebb
3. Icebergs
4. Flood

✅ Correct Answer: 3

The factor that affects the origin and movement of currents is

1. river flow
2. salinity and density of water
3. tides
4. prevailing winds

✅ Correct Answer: 2

______causes waves to travel in the ocean and the energy is released on shorelines.

1. Wind
2. Land
3. Water
4. Soil

✅ Correct Answer: 1

Wave amplitude is:

1. The height of the wave
2. The breadth of the wave
3. Half of the wave height
4. It is the time interval between two successive waves

✅ Correct Answer: 3

The current of the Atlantic ocean is

1. west wind drift
2. Gulf stream
3. Equatorial counter current
4. Alaska current

✅ Correct Answer: 2

The time between the high tide and low tide, when the water level is falling, is called:

1. drift
2. nab
3. ebb
4. current

✅ Correct Answer: 3

The current of the Indian Ocean is

1. The west wind drift (b) (c) (d)
2. Labrador
3. California
4. Kuroshio

✅ Correct Answer: 1

The Thermodynamics of the ocean are:

1. Currents
2. Waves
3. Tides
4. Salinity

✅ Correct Answer: 4

The time between the low tide and high tide, when the tide is rising, is called:

1. drift
2. flood
3. ebb
4. current

✅ Correct Answer: 2

Wave speed is the rate at which the wave moves through the water and is measured in

1. Knots
2. Miles
3. Kilometer
4. Kilogram

✅ Correct Answer: 1

The type of soil the desert biome has is

1. Porous with thin layers of humus
2. Rich in nutrients with little organic matter
3. Acidic, poor in nutrients
4. Fertile alluvial

✅ Correct Answer: 2

When various plants and animal species have got adapted through evolution is called:

1. Ecological adaptation
2. Hydrological adaptation
3. Homological adaptation
4. None of the above

✅ Correct Answer: 1

Mineral salts come directly from

1. Earth crust
2. Water cycle
3. Atmosphere
4. Forest biome

✅ Correct Answer: 1

The boundaries of different biomes on land are determined mainly by

1. Climate
2. Temperature
3. Human activities
4. Humidity

✅ Correct Answer: 1

Temperate Steppe is a subtype of which biome?

1. Forest
2. Desert
3. Grassland
4. Aquatic

✅ Correct Answer: 3

Which includes all the living components of the earth.

1. Hydrosphere
2. Atmosphere
3. Biosphere
4. Lithosphere

✅ Correct Answer: 3

A freshwater ecosystem is

1. Oceans
2. Estuaries
3. Coral reefs
4. Marshes

✅ Correct Answer: 4

Which is a plant and animal community that covers a large geographical area?

1. Biosphere
2. Biome
3. Marshes
4. Prairies

✅ Correct Answer: 2

Abiotic factors include

1. Producers
2. Consumers
3. Decomposers
4. Sunlight

✅ Correct Answer: 4

Which of the following organism have a parasitic mode of nutrition?

1. Penicillium
2. Plasmodium
3. Paramecium
4. Parrot

✅ Correct Answer: 2

The earliest man on the earth is known as:

1. Homoerectus
2. Homosapien
3. Homophobic
4. None of the above

✅ Correct Answer: 2

Freshwater ecosystem includes

1. Oceans
2. Coastal estuaries
3. Coral reefs
4. Streams

✅ Correct Answer: 4